<?php

class NewsController extends Controller
{
	/**
	 * @var string the default layout for the views. Defaults to '//layouts/column2', meaning
	 * using two-column layout. See 'protected/views/layouts/column2.php'.
	 */
	public $layout='admin';

	/**
	 * @return array action filters
	 */
	public function filters()
	{
		return array(
			'accessControl', // perform access control for CRUD operations
		);
	}

	/**
	 * Specifies the access control rules.
	 * This method is used by the 'accessControl' filter.
	 * @return array access control rules
	 */
	public function accessRules()
	{
		return array(
			array('allow',  // allow all users to perform 'index' and 'view' actions
				'actions'=>array('index','view','add','edit','delall'),
				'users'=>array('*'),
			),
			array('allow', // allow authenticated user to perform 'create' and 'update' actions
				'actions'=>array('create','update'),
				'users'=>array('@'),
			),
			array('allow', // allow admin user to perform 'admin' and 'delete' actions
				'actions'=>array('admin','delete'),
				'users'=>array('admin'),
			),
			array('deny',  // deny all users
				'users'=>array('*'),
			),
		);
	}

	/**
	 * Displays a particular model.
	 * @param integer $id the ID of the model to be displayed
	 */
	public function actionView($id)
	{
		$this->render('view',array(
			'model'=>$this->loadModel($id),
		));
	}

	/**
	 * Creates a new model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 */
	public function actionCreate()
	{
		$model=new News;

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['News']))
		{
			$model->attributes=$_POST['News'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->n_id));
		}

		$this->render('create',array(
			'model'=>$model,
		));
	}

	/**
	 * Updates a particular model.
	 * If update is successful, the browser will be redirected to the 'view' page.
	 * @param integer $id the ID of the model to be updated
	 */
	public function actionUpdate($id)
	{
		$model=$this->loadModel($id);

		// Uncomment the following line if AJAX validation is needed
		// $this->performAjaxValidation($model);

		if(isset($_POST['News']))
		{
			$model->attributes=$_POST['News'];
			if($model->save())
				$this->redirect(array('view','id'=>$model->n_id));
		}

		$this->render('update',array(
			'model'=>$model,
		));
	}

	/**
	 * Deletes a particular model.
	 * If deletion is successful, the browser will be redirected to the 'admin' page.
	 * @param integer $id the ID of the model to be deleted
	 */
	public function actionDelete($id)
	{
		if(Yii::app()->request->isPostRequest)
		{
			// we only allow deletion via POST request
			$this->loadModel($id)->delete();

			// if AJAX request (triggered by deletion via admin grid view), we should not redirect the browser
			if(!isset($_GET['ajax']))
				$this->redirect(isset($_POST['returnUrl']) ? $_POST['returnUrl'] : array('admin'));
		}
		else
			throw new CHttpException(400,'Invalid request. Please do not repeat this request again.');
	}

	
	/**
     *添加一条新闻公告
     */
    public function actionAdd()
    {
        $model=new News;
        if($_POST){
            $model->attributes = $_POST;
            $model->setAttribute("n_title",$_POST['n_title']);
            $model->setAttribute("n_author",$_POST['n_author']);
            $model->setAttribute("n_publishtime",strtotime($_POST['n_publishtime']));
            $model->setAttribute("n_content",$_POST['News']['n_content']);
            $model->setAttribute("n_isdel",1);
			if($model->isNewRecord){
				$model->setAttribute("n_createtime",time());
				$model->setAttribute("n_updatetime",time());
			}else{
				$model->setAttribute("n_updatetime",time());
			}
            if($model->save()){
                Yii::app()->user->setFlash("message","新闻添加成功");
                $this->redirect(array("news/index"));
            }else{
                Yii::app()->user->setFlash("message","新闻发布失败");
            }
        }
        $this->render('add',array(
            'model'=>$model,
        ));
    }
	
	/**
     *通过$id来修改当前公告新闻
     */
    public function actionEdit($id)
    {
        $model = $this->loadModel($id);
		$model->n_publishtime = date('Y/m/d H:i:s',$model->n_publishtime);
        if($_POST){
            $model->attributes = $_POST;
            $model->setAttribute("n_title",$_POST['n_title']);
            $model->setAttribute("n_author",$_POST['n_author']);
            $model->setAttribute("n_publishtime",strtotime($_POST['n_publishtime']));
            $model->setAttribute("n_content",$_POST['News']['n_content']);
            $model->setAttribute("n_isdel",1);
			if($model->isNewRecord){
				$model->setAttribute("n_createtime",time());
				$model->setAttribute("n_updatetime",time());
			}else{
				$model->setAttribute("n_updatetime",time());
			}
            if($model->save()){
                Yii::app()->user->setFlash("message","修改成功");
                $this->redirect(array("news/index"));
            }else{
                Yii::app()->user->setFlash("message","修改失败");
            }
        }
        $this->render('edit',array(
            'model'=>$model,
        ));
    }
	/**
	 * Lists all models.
	 */
	public function actionIndex()
	{
		$criteria=new CDbCriteria;
        //搜索
        foreach($_GET as $key=>$val){
            $val = addslashes($val);
            if($key=="n_id"&&$val&&$val!="ID..")$criteria->addCondition("n_id  regexp '{$val}' ");
            if($key=="n_title"&&$val&&$val!="标题..")$criteria->addCondition("n_title  regexp '{$val}' ");
            if($key=="n_author"&&$val&&$val!="作者..")$criteria->addCondition("n_author  regexp '{$val}' ");
            if($key=="n_publishtimefrom"&&$val&&$val!="开始时间")$criteria->addCondition("n_publishtime  >= '".strtotime($val)."' ");
            if($key=="n_publishtimeto"&&$val&&$val!="结束时间")$criteria->addCondition("n_publishtime  <= '".strtotime($val)."' ");
           
        }
        $criteria->addCondition("n_isdel  = 1 ");
        $order=isset($_GET['order'])?$_GET['order']:"";
        $pageSize=isset($_COOKIE['s_pagesize'])?$_COOKIE['s_pagesize']:"20";
        setcookie("ggnewslistreturnurl",$_SERVER['REQUEST_URI'],0,"/");
        $dataProvider = new CActiveDataProvider("News",array(
                        'criteria'=>$criteria,
                        'pagination'=>array(
                            'pageSize'=>$pageSize
                        ),
        ));
        $this->render('index',array(
            'dataProvider'=>$dataProvider,
        ));
	}

	/**
	 * Manages all models.
	 */
	public function actionAdmin()
	{
		$model=new News('search');
		$model->unsetAttributes();  // clear any default values
		if(isset($_GET['News']))
			$model->attributes=$_GET['News'];

		$this->render('admin',array(
			'model'=>$model,
		));
	}

	/**
	 * Returns the data model based on the primary key given in the GET variable.
	 * If the data model is not found, an HTTP exception will be raised.
	 * @param integer the ID of the model to be loaded
	 */
	public function loadModel($id)
	{
		$model=News::model()->findByPk($id);
		if($model===null)
			throw new CHttpException(404,'The requested page does not exist.');
		return $model;
	}

	/**
	 * Performs the AJAX validation.
	 * @param CModel the model to be validated
	 */
	protected function performAjaxValidation($model)
	{
		if(isset($_POST['ajax']) && $_POST['ajax']==='news-form')
		{
			echo CActiveForm::validate($model);
			Yii::app()->end();
		}
	}
	
	/**
	 * 批量回收站删除
	 */
	public function actionDelall()
	{
	   if (Yii::app()->request->isPostRequest&&isset($_POST['selectdel'])&&$_POST['selectdel'])
	   {
			/*1:删除  2:恢复*/
            $tid=isset($_POST['tid'])&&in_array($_POST['tid'],array(1,2))?$_POST['tid']:"2";
            
            
			$criteria= new CDbCriteria;
            $count =News::model()->updateAll(array('n_isdel'=>$tid),"n_id in ( ".join(",",$_POST['selectdel'])." )"); 
			if($count>0){  
			   echo "ok";  
			}
	   }
	   else
		 throw new CHttpException(400,'无效的请求。请不要再这样的要求。');
	}
}
